Ore-washer



(No Model.)

W. W. ROSENSTEEL.

ORE WASHER.

No. 403,488. Patented May 14, 1889.

N PETERS Phowumn n har. washm mn. D. C

improved coal-washer.

UNITED STATES PATENT OFFICE.

\VILLIAM IV. ROSENSTEEL, OF PITTSBURG, PENNSYLVANIA.

ORE-WASH ER.

SPECIFICATION forming part of Letters Patent No. 403,488, dated May 14,1889.

Application filed May 9, 1888. Serial No. 273,347. (No model.)

To all whom it may concern:

Be it known that I, \VILLIAM \V. ROSEN- STEEL, a citizen of the UnitedStates, residing at Pittsburg, in the county of Allegheny and State ofPennsylvania, have invented certain new and useful Improvements inCoal-fashers; and I do hereby declare the following to be a full, clear,and exact description of the invention, such as will enable othersskilled in the art to which it pertains to make and use the same,reference being had to the accompanying drawings, which form a part ofthis specification.

My invention relates to improvements in coal-washers; and it consists ofthe peculiar construction and arrangement of parts, as will behereinafter fully described and claimed.

In the accompanying drawings, Figure 1 is a side elevation, partly insection, of my Fig. 2 is an end elevation of the same, partly insection. Fig. 3 is a perspective view of the chute or trough used forconveying the product of the washer to either of the bins.

Heretofore a common practice in coal-washing has been to place thewasher at some distance from and on a level with the bottom of thedrying-bins, and by a suitable apparatus, designed for that purpose,convey the product first drained through perforated buckets upward anddischarge the same into the open top of the drying-bins,where it remainsuntil it dries. It will be seen that by this method a large percentageof the fine slack or pulverized coal passes through the buckets and iscarried away and lost by the water used in washing.

In order to construct a coal-washing apparatus in accordance with myinvention, I construct a double bin, consisting of two separatedrying-bins, a h, each having a perforated inclined floor, c, slopingtoward each other and provided at their lowest sides with openings (1,through which the dried coal may pass into a trough, e, arranged belowthe inclined floors c, and from there, by means of a conveyer, g, to thedesired place.

Centrally located above these two bins to b is a coal-washer, c', of anywell-known or desired construction, provided with a pivoted chute ortrough, Z, arranged below the discharge-openin gs o of the washert' andadapted to receive the entire product of the same and convey the smallcoal, dust, and water into one of the drying-bins a, where the same isallowed to remain until the water has escaped through the floor 0. Atone end of the bins to b is arranged a means for elevating the coal fromthe crusher to a chute, p, leading to the washer i. p

In operation the coal is crushed, conveyed upward, and discharged intothe washer 'L through the chute p. \Vhen the same is properly washed andthe slate, sulphur, &c., separated, the coal is discharged from theopenings 0 into the inclined trough Z, which conveys it into one of thebins a, the water and coal-dust being also discharged into the same bin.\Vhen this bin at is filled, the trough Z is revolved about its pivot mand made to discharge the product of the washer into the opposite bin,1). When one of the bins a is filled with coal, coal-dust, and water,the same -is allowed to stand until the water has filtered through thecoal and floor c of the bin 0,, thereby leaving in the same all the dustor pulverized coal.

Having thus described my invention, what I claim, and desire to secureby Letters Patent, is-

In a coal-washer, the combination, with a bin divided longitudinallyinto compartments, of a horizontal washer, 2, located immediately abovesaid bin, transversely across the same, and having a series ofoverflow-openings, o, and a horizontally-inclined trough pivotedcentrally to the side wall of the Washer at a point immediately belowthe series of overflow-openin gs 0, said trough being of a length lessthan the width of the bin, and arranged to receive the entire contentsof the washer that escape through the openings 0 thereof, and adapted todirect the same into either compartment of the bin, substantially as andfor the purpose described.

In testimony that I claim the foregoing I hereunto affix my signaturethis 17th day of March, A. D. 1888.

WILLIAM W. ROSENS'IEEL. [L 8.]

In presence of- O. 0. LEE, M. E. HARRISON.

